OK, let's crack this. We're given 311 and our task is to multiply it by 98. Essentially, we'll be adding 311 to itself 98 times.
Step 1: 0 + 311 = 311
Step 2: 311 + 311 = 622
Step 3: 622 + 311 = 933
Step 4: 933 + 311 = 1244
Step 5: 1244 + 311 = 1555
Step 6: 1555 + 311 = 1866
Step 7: 1866 + 311 = 2177
Step 8: 2177 + 311 = 2488
Step 9: 2488 + 311 = 2799
Step 10: 2799 + 311 = 3110
Step 11: 3110 + 311 = 3421
Step 12: 3421 + 311 = 3732
Step 13: 3732 + 311 = 4043
Step 14: 4043 + 311 = 4354
Step 15: 4354 + 311 = 4665
Step 16: 4665 + 311 = 4976
Step 17: 4976 + 311 = 5287
Step 18: 5287 + 311 = 5598
Step 19: 5598 + 311 = 5909
Step 20: 5909 + 311 = 6220
Step 21: 6220 + 311 = 6531
Step 22: 6531 + 311 = 6842
Step 23: 6842 + 311 = 7153
Step 24: 7153 + 311 = 7464
Step 25: 7464 + 311 = 7775
Step 26: 7775 + 311 = 8086
Step 27: 8086 + 311 = 8397
Step 28: 8397 + 311 = 8708
Step 29: 8708 + 311 = 9019
Step 30: 9019 + 311 = 9330
Step 31: 9330 + 311 = 9641
Step 32: 9641 + 311 = 9952
Step 33: 9952 + 311 = 10263
Step 34: 10263 + 311 = 10574
Step 35: 10574 + 311 = 10885
Step 36: 10885 + 311 = 11196
Step 37: 11196 + 311 = 11507
Step 38: 11507 + 311 = 11818
Step 39: 11818 + 311 = 12129
Step 40: 12129 + 311 = 12440
Step 41: 12440 + 311 = 12751
Step 42: 12751 + 311 = 13062
Step 43: 13062 + 311 = 13373
Step 44: 13373 + 311 = 13684
Step 45: 13684 + 311 = 13995
Step 46: 13995 + 311 = 14306
Step 47: 14306 + 311 = 14617
Step 48: 14617 + 311 = 14928
Step 49: 14928 + 311 = 15239
Step 50: 15239 + 311 = 15550
Step 51: 15550 + 311 = 15861
Step 52: 15861 + 311 = 16172
Step 53: 16172 + 311 = 16483
Step 54: 16483 + 311 = 16794
Step 55: 16794 + 311 = 17105
Step 56: 17105 + 311 = 17416
Step 57: 17416 + 311 = 17727
Step 58: 17727 + 311 = 18038
Step 59: 18038 + 311 = 18349
Step 60: 18349 + 311 = 18660
Step 61: 18660 + 311 = 18971
Step 62: 18971 + 311 = 19282
Step 63: 19282 + 311 = 19593
Step 64: 19593 + 311 = 19904
Step 65: 19904 + 311 = 20215
Step 66: 20215 + 311 = 20526
Step 67: 20526 + 311 = 20837
Step 68: 20837 + 311 = 21148
Step 69: 21148 + 311 = 21459
Step 70: 21459 + 311 = 21770
Step 71: 21770 + 311 = 22081
Step 72: 22081 + 311 = 22392
Step 73: 22392 + 311 = 22703
Step 74: 22703 + 311 = 23014
Step 75: 23014 + 311 = 23325
Step 76: 23325 + 311 = 23636
Step 77: 23636 + 311 = 23947
Step 78: 23947 + 311 = 24258
Step 79: 24258 + 311 = 24569
Step 80: 24569 + 311 = 24880
Step 81: 24880 + 311 = 25191
Step 82: 25191 + 311 = 25502
Step 83: 25502 + 311 = 25813
Step 84: 25813 + 311 = 26124
Step 85: 26124 + 311 = 26435
Step 86: 26435 + 311 = 26746
Step 87: 26746 + 311 = 27057
Step 88: 27057 + 311 = 27368
Step 89: 27368 + 311 = 27679
Step 90: 27679 + 311 = 27990
Step 91: 27990 + 311 = 28301
Step 92: 28301 + 311 = 28612
Step 93: 28612 + 311 = 28923
Step 94: 28923 + 311 = 29234
Step 95: 29234 + 311 = 29545
Step 96: 29545 + 311 = 29856
Step 97: 29856 + 311 = 30167
Step 98: 30167 + 311 = 30478

So, 311*98 = 30478